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Okan has been admitted to the Istanbul Bar Association since 2000, and he is qualified as a solicitor in England & Wales. He also has a pending admission to the New York Bar.

He has worked at another reputable Istanbul-based law firm until 2009, and then continued to practice law in law firms in which he was partner. Between 2011 and 2017, he lectured on civil procedure law and enforcement & bankruptcy law at an Istanbul-based university.

With over 20 years of experience, Okan represents clients in a wide range of litigation matters, including commercial disputes, employment law disputes and real estate disputes. He has been advising multinational and domestic companies acting in various sectors, including healthcare and life sciences, energy, technology and education, on corporate law, commercial law, contracts law, competition law, employment law, consumer law, public tenders as well as compliance investigations.

We welcome Okan and look forward to his continued success in our growing firm.

We are proud to sponsor the Istanbul Arbitration Week (ISTAW). Okan Demirkan will give a speech at this event. We look forward to meeting with fellow arbitration practitioners and professionals in our city, Istanbul. Please click to register.

It was a great pleasure to host Mr. Elshad Rustamov, founder of The Consultant JSC, in our office. We enjoyed and will certainly benefit from his training: “What Do In House Counsels Want?”

We are proud to sponsor the Istanbul Arbitration Week (ISTAW). Okan Demirkan will give a speech at this event. We look forward to meeting with fellow arbitration practitioners and professionals in our city, Istanbul. Please click to register.
Aktuelle Bulletins und Publikationen
Sustainable Finance Instruments: Green Bonds
Non-Compete Clause Limitations and Third Parties’ Involvement
Aktuelle Bulletins und Publikationen
KDK 2022 Third Quarter Competition Law Bulletin
Amendments to the Distance Contracts Regulation
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Aktuelle Podcasts
Session VI: Arbitration: Why, When and How? – Part 2
In the second session of our podcast series focusing on the "why, when and how” questions on arbitration, our senior associate Cihan Mercan reunites with Prof. Dr. Zeynep Derya Tarman, professor at Koç University School of Law, Yasin Ekmen, Secretary General at the Istanbul Arbitration Center (ISTAC), and Demet Kaşarcıoğlu, partner at Esin Attorney Partnership. During the session, Cihan Mercan and our guests elaborate on which circumstances one must prefer “institutional arbitration and ad hoc arbitration” in light of their experience. The discussion continues with an evaluation about the development of arbitration in Turkey and ISTAC's undeniable contribution to this development.
Session V: Arbitration: Why, When and How? – Part 1
Our senior associate Cihan Mercan and his guests, Prof. Dr. Zeynep Derya Tarman, professor at Koç University School of Law, Yasin Ekmen, Secretary General at the Istanbul Arbitration Center (ISTAC), and Demet Kaşarcıoğlu, partner at Esin Attorney Partnership, discuss the "why, when and how" questions on arbitration.
Session IV: Competition and Regulation in Payment Services
Our Competition Law Counsel, Neyzar Ünübol and her guests, Ussal Şahbaz, The Union of Chambers and Commodity Exchanges of Turkey (TOBB)’s Fintech Industry Council Member, and Recep Gündüz, Papara’s Public Policy and Strategy Director, discuss the relationship between competition, innovation and regulation in terms of the development of financial technologies in the framework of the Competition Authority's Investigation Report on Financial Technologies in Payment Services published in December 2021.

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THE LEGAL 500, 2021
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THE LEGAL 500, 2020
“They have good business knowledge and are our ‘advisors’, not just ‘lawyers’.” “The lawyers at Kolcuoğlu Demirkan Koçaklı Attorneys at Law efficiently advise international clients on their market entry and investments in Turkey. They offer high-quality legal assistance, excellent interpersonal skills and commitment to every single issue, no matter the complexity involved.”
THE LEGAL 500, 2022
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CHAMBERS EUROPE, 2022
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THE LEGAL 500, 2021
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THE IFLR1000, 2021
“KDK is a sophisticated legal operator. The team know what international clients want and go above and beyond to deliver it. They are also excellent at developing their associates to ensure the team has appropriate strength in depth.”
THE LEGAL 500, 2022
“[…] the team is mindful of the business needs of clients.” “[…] their response time is quick.” “[…] all the lawyers are very technically experienced.”
CHAMBERS EUROPE, 2021
“As a client, when we work with Kolcuoglu Demirkan Koçakli we are aware that we are working with a highly qualified team. They give us very professional advice and we know we will get full support in accordance with our requirements.”
THE LEGAL 500, 2022
“The firm fulfilled all our wishes in the desired time frame. First of all they have presented the map of the actual status, the alternative ways to tackle the problems and the possible solutions. Then in addition to the legal approach, they also used their consultancy proficiency to enlighten us to make the right decisions.”
THE LEGAL 500, 2021
“[…] very good relationship partner,” “strong expertise, communication skills and practical approach.”
CHAMBERS EUROPE, 2020
"Quick feedback, experienced team, smiling face, planned study."
THE IFLR1000, 2021
“The compliance practice is an area that has been developing in the last 10 years and KDK was the pioneer in many areas of compliance issues.”
THE LEGAL 500, 2022
“KDK’s compliance practice stands out compared because of the team’s deep expertise and impeccable judgment. KDK knows its clients and their business, and the applicable regulatory environment, and they provide top notch representation and advice to achieve the optimal solution, while still being mindful of cost.”
THE LEGAL 500, 2021
“The practice combines quality legal advice with strong client handling skills.” “‘The KDK lawyers are easy to work with, and focused on creating solutions that are in the clients’ interest.”
THE LEGAL 500, 2020
“Very competent team, international approach, deep knowledge of local and multinational company expectations.”
THE LEGAL 500, 2022
“They are responsive and respond quickly to urgent requests. They provide good quality advice which sets out the key issues, they identify the options, and they give a recommendation for what to do next. Their advice is clear and easy to understand.”
THE LEGAL 500, 2021
“The lawyers are efficient, knowledgeable, timely and very clear in their responses."
CHAMBERS EUROPE, 2020
“Considering that we are new to this jurisdiction their input was very practical […].”
THE LEGAL 500, 2022
“Professional service, accurate and up-to-date information and alternative risk assessment approach distinguish this company from others.”
THE LEGAL 500, 2021
“Considerable experience dealing with local compliance matters including regulatory and employment issues, as well as consideration of international regulatory implications.”
THE LEGAL 500, 2021
“The team is very experienced in competition law and apart from that they also possesses deep understanding of underlying commercial arrangements and industry. This combination allows it to deliver tailored advice which meets our practical needs.”
THE LEGAL 500, 2022
“The team includes experienced, well-educated and focused lawyers in their areas. Especially, ex-experts from the competition board as consultant makes the team one step forward.”
THE LEGAL 500, 2021
“They impressed us with their technical knowledge, commercial awareness and mental agility.”
CHAMBERS EUROPE, 2020
“The attorneys we collaborate with are very professional/knowledgeable and their strengths are: Good communication skills-they draw conclusions, their responses are clear and very well written. The teams’ responses are very timely, make us feel we are their priority customer.”
THE LEGAL 500, 2022
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THE LEGAL 500, 2021
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CHAMBERS EUROPE, 2020
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CHAMBERS EUROPE, 2022
“I found KDK to be both excellent lawyers, very user friendly. They were very receptive to working to UK hours, all members of the team I dealt with spoke English perfectly and turned round documents and requests very quickly.”
THE LEGAL 500, 2022
“All round commercial and corporate team, very knowledgeable and experienced individuals.”
THE LEGAL 500, 2021
“KDK is the law firm to work with when it comes to lawsuits requiring deep strategic thinking. The team is always on top of things and we never need to ask what is happening in the case because they proactively update us on every development.”
THE LEGAL 500, 2022
“They are ambitious and dedicated litigators.”
THE LEGAL 500, 2022
“[…] quick, to-the-point and high-quality clear advice – very flexible and very reliable.” “[…] very hard-working, never misses a detail, has no time limitations to contact, high level of reactivity.” “[…] excellent command of English, deep and reliable knowledge of Turkish law, experienced in international arbitration, dedicated.”
THE LEGAL 500, 2021
“The firm's efficiency, their commitment to delivering quality work and their determination to understanding the client is what draws us to continue working with them in the future."
CHAMBERS EUROPE, 2020
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